diff --git a/jbpm/jbpm-usertask/src/main/java/org/kie/kogito/usertask/impl/DefaultUserTaskInstance.java b/jbpm/jbpm-usertask/src/main/java/org/kie/kogito/usertask/impl/DefaultUserTaskInstance.java
index 266e674887e..757bf30edec 100644
--- a/jbpm/jbpm-usertask/src/main/java/org/kie/kogito/usertask/impl/DefaultUserTaskInstance.java
+++ b/jbpm/jbpm-usertask/src/main/java/org/kie/kogito/usertask/impl/DefaultUserTaskInstance.java
@@ -210,7 +210,7 @@ public void setOutputs(Map<String, Object> outputs) {
     public void setInput(String key, Object newValue) {
         Object oldValue = this.inputs.put(key, newValue);
         if (this.userTaskEventSupport != null) {
-            this.userTaskEventSupport.fireOnUserTaskInputVariableChange(this, key, oldValue, newValue);
+            this.userTaskEventSupport.fireOnUserTaskInputVariableChange(this, key, newValue, oldValue);
         }
         updatePersistence();
     }
@@ -219,7 +219,7 @@ public void setInput(String key, Object newValue) {
     public void setOutput(String key, Object newValue) {
         Object oldValue = this.outputs.put(key, newValue);
         if (this.userTaskEventSupport != null) {
-            this.userTaskEventSupport.fireOnUserTaskOutputVariableChange(this, key, oldValue, newValue);
+            this.userTaskEventSupport.fireOnUserTaskOutputVariableChange(this, key, newValue, oldValue);
         }
         updatePersistence();
     }